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Switzerland
The weather in September in Bilten
Looking for sun? September isn’t a good month to be in Bilten. The temperature is nice, but there’s too much chance of rain.
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Bilten, Switzerland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Daily weather in September for Bilten
Click on any day in September to get detailed info about the usual weather on that day in Bilten. Check out the historical temperatures and precipitation over the past 10 years on this day.
Average temperatures
It's cool to moderate in September in Bilten with an average temperature of 18°C. Temperatures this month range from a low of 16°C to a high of 21°C. At night, you can expect temperatures between 7°C and 13°C.
Temperature records
With 29°C in 2023, Bilten reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 7°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 17°C.
Precipitation and snowfall
In September, there is an average of 126 mm of precipitation, spread over 15 days. Of the total precipitation, about 1,5 cm falls as snow in September. The wind speed is around 3 Bft, mostly coming from the West.
September weather comparison
| Bilten | New York | |
|---|---|---|
| Average temperature | 18°C | 27°C |
| Max. temperature | 21°C | 31°C |
| Min. temperature | 7°C | -5°C |
| Total precipitation | 126 mm | 57 mm |
| Rainy days | 15 days | 9 days |
| Total snowfall | 1,5 cm | 0 cm |
| Snowy days | 1 day | 0 days |
Start of September
The month of September starts in Bilten with mild temps, averaging around 20°C during the day and nights around 12°C.
Mid September
By mid-September, daytime temps stay steady at around 20°C, with nights around 12°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in Bilten is around 17°C, while nighttime temps are about 9°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Bilten for all months and discover the best travel time
Curious about the weather in other parts of Switzerland? Check out the climate and weather for spots like Zurich, Geneva, Valais, or explore other destinations in Switzerland.
Temperature charts
These charts show the average temperatures in September in Bilten, Switzerland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Bilten
Temperature in September in Bilten over the years
Precipitation charts
These charts show the average amount of precipitation in September in Bilten, Switzerland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Bilten
Total precipitation in September in Bilten over the years
Daily Snowfall in September in Bilten
Snowfall in September in Bilten per year
Daily UV index in September in Bilten
This chart shows the average daily UV index in September in Bilten, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Bilten
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Average weather in Bilten by month
Click on a month below to see detailed weather info for Bilten. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.